2.3.7.2 Serial Port 2 Connector in
| Signal |
| PIN |
| PIN |
| Signal | ||
| Tx- |
| 1 |
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| 2 |
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| Rx+ |
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| Tx+ | 3 |
| 4 |
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| Rx- | ||
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| NC |
| 5 |
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| 6 |
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| NC |
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| NC | 7 |
| 8 |
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| NC | ||
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| NC |
| 9 |
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| 10 |
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| NC |
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2.3.7.2.1 Signal Description – Serial Port 2 Connector in
Signal | Signal Description |
| Serial output. This differential signal pair sends serial data to the communication |
Tx +/- | link. Data is transferred from Serial Port 2 Transmit Buffer Register to the |
| communication link, if the RTS register of the Serial Port 2 is set to LOW. |
| Serial input. This differential signal pair receives serial data from the |
Rx +/- | communication link. Received data is available in Serial Port 2 Receiver Buffer |
| Register. |
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